
<template lang="">
  <div id="aaa" title="bbb">
    这是div
  </div>
  <button @click="alertStr">button</button>
  
</template>

<script>
export default {
  data() {
    return {
      aaa:'123213312',
      bbb:'777'
    }
  },
  methods: {
    alertStr() {
      //alert(123213312)
      this.aaa ='hahahaha'
    }
  }
}
</script>

